Year	% gross
1970	42.1933212280273
1971	42.0469589233398
1972	44.377799987793
1973	46.3929481506348
1974	46.5253982543945
1975	48.3851203918457
1976	50.3016395568848
1977	52.4612998962402
1978	54.6921997070312
1979	55.9533081054688
1980	57.6719017028809
1981	60.0078506469727
1982	61.4097213745117
1983	61.1329116821289
1984	61.8852691650391
1985	60.5138092041016
1986	60.4840202331543
1987	59.7770195007324
1988	62.0876007080078
1989	61.989559173584
1990	61.4006996154785
1991	63.5945892333984
1992	63.9100189208984
1993	64.3762893676758
1994	65.3838424682617
1995	66.2637023925781
1996	66.5319213867188
1997	69.197151184082
1998	69.7981033325195
1999	70.2792129516602
2000	72.484130859375
2001	74.7757720947266
2002	79.1769409179688
2003	82.2574920654297
2004	84.5767593383789
2005	88.0150833129883
2006	90.8575897216797
2007	92.5780410766602
2008	95.2183227539062
2009	96.071533203125
2010	96.7265319824219
2011	97.0466766357422
2012	97.7706069946289
2013	97.3406219482422
2014	97.206901550293
2015	97.1134872436523
2016	97.7035369873047
2017	98.2269897460938
2018	99.147102355957
2019	100.168266296387
2020	100.791351318359
2021	100.221969604492
2022	100.303901672363